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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1805 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1892 | 1 |
| 1896 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1908 | 3 |
| 1909 | 1 |
| 1911 | 1 |
| 1912 | 2 |
| 1914 | 1 |
| 1915 | 2 |
| 1917 | 1 |
| 1921 | 4 |
| 1922 | 3 |
| 1924 | 2 |
| 1927 | 3 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 3 |
| 1932 | 3 |
| 1933 | 3 |
| 1934 | 6 |
| 1935 | 5 |
| 1936 | 5 |
| 1937 | 2 |
| 1938 | 6 |
| 1939 | 7 |
| 1940 | 10 |
| 1941 | 12 |
| 1942 | 7 |
| 1943 | 3 |
| 1944 | 5 |
| 1945 | 15 |
| 1946 | 36 |
| 1947 | 43 |
| 1948 | 42 |
| 1949 | 49 |
| 1950 | 39 |
| 1951 | 38 |
| 1952 | 29 |
| 1953 | 45 |
| 1954 | 52 |
| 1955 | 49 |
| 1956 | 48 |
| 1957 | 45 |
| 1958 | 67 |
| 1959 | 44 |
| 1960 | 58 |
| 1961 | 60 |
| 1962 | 41 |
| 1963 | 61 |
| 1964 | 72 |
| 1965 | 74 |
| 1966 | 80 |
| 1967 | 107 |
| 1968 | 120 |
| 1969 | 148 |
| 1970 | 129 |
| 1971 | 136 |
| 1972 | 166 |
| 1973 | 163 |
| 1974 | 171 |
| 1975 | 158 |
| 1976 | 186 |
| 1977 | 193 |
| 1978 | 212 |
| 1979 | 189 |
| 1980 | 195 |
| 1981 | 189 |
| 1982 | 213 |
| 1983 | 206 |
| 1984 | 228 |
| 1985 | 232 |
| 1986 | 249 |
| 1987 | 187 |
| 1988 | 221 |
| 1989 | 224 |
| 1990 | 243 |
| 1991 | 273 |
| 1992 | 259 |
| 1993 | 249 |
| 1994 | 283 |
| 1995 | 279 |
| 1996 | 227 |
| 1997 | 231 |
| 1998 | 239 |
| 1999 | 211 |
| 2000 | 225 |
| 2001 | 231 |
| 2002 | 252 |
| 2003 | 237 |
| 2004 | 220 |
| 2005 | 259 |
| 2006 | 295 |
| 2007 | 296 |
| 2008 | 333 |
| 2009 | 348 |
| 2010 | 364 |
| 2011 | 369 |
| 2012 | 359 |
| 2013 | 337 |
| 2014 | 357 |
| 2015 | 386 |
| 2016 | 428 |
| 2017 | 437 |
| 2018 | 423 |
| 2019 | 362 |
| 2020 | 432 |
| 2021 | 411 |
| 2022 | 353 |
| 2023 | 3 |